Stephen g



(No Model.)

S. G. HUTCHINSON.

PILE.

No. 383,884. Patentedfun'e 5", 1888.

17:;.3 Fmi l@ T/'G5 TMW/M5555 jNVL-N TUR* SPECIFICATON forming pari'. of Letters Patent No. 383,884, dated June 5, 1888.

Application iled Octoher, 1887. Serial No. 251,293. (No model.)

To @ZZ whom it may concern:

Be it known that 1, STEPHEN G. HUTOHIN- sON, a citizen of the United States, residing at Columbus, in the county of Franklin and State of Ohio, have invented a new and useful Improvement in Piles, of which the following is a specification.

My invention relates to the improvement of metal piles-such as are adapted to be driven into the earth to support a superstructure-- and has particular relation to means for locking the groundplate and pile together.

The objects ot my invention are to form in a simple and effective manner a firm and secure connection between the grou iid-plate and pile, and thus avoid any tendency or" the latter to settle or be forced through the former, caused by any weight or vibration of the structure, which may be produced by passing trains or other causes, and to admit ot' said con nection being readily and easily formed beneath the water. rlhese objects I accomplish in the manner illustrated in the accompanying drawings, in which- Figure l is a side elevation of a metal pile having its ground-plate secured by my improved means. Fig. 2 is a vertical section of the same, showing a slightly different form of connecting-block. Fig. S'is a plan View of the ground-plate. Fig. 4. is a detail v-iew, in perspective, of one ot' the forms of lockingbloclrs. Fig. 5 is a similar view of a modified form as usedin the construction shown in Fig. 1, and Fig. 6 is a transverse section taken on line :v m of Fig. 1. Y

Similar letters refer to similar parts throughout the several views.

A represents a well-l nown form of metallic pile having a solid or hollow center, and having vertical strengtheningeiianges a projecting therefrom, as shown, and having a suitable cap, B. Cast with said pile, preferably in the lower half, on one or more sides thereof, and made to extend transversely between the ilanges a, are lugs C.

D represents a groundplate consisting of a ilat metallic plate having a short upwardlyextending cylindrical neck, d, having a central depression communicating with an opening in the bottom of the plate, said opening being` of such shape as to correspond with that of a cross-section of the pile and its lianges, admitting of the easy vertical passage therethrough of said pile, thus forming a central opening," d', from which extend outwardly to thesurface oftheinnerwall of the plate flangeslots d2.

Formed in the inner surface of the wall of the plate, and extending from the top of the neck thereof to the unperforated portions of the door e, are one or more depressions,f.

g and g, respectively, represent arectangu lar and two-armed locking-block, to be used as hereinafter described.

In order to connect the pile and plate by my improved means, the pi'le is inserted through the groundplate, its langes a passing verti cally through the fiangeslots d2 in the plate door. The pile is then driven, in the usual manner, tothe desired depth, andone or more of the blocks g g', of the desired shape and height, are inserted between the unperforated portions of the plate-floor and the pile-lugs in such manner that the lower portions of each of the blocks will rest on the plate-floor and within one of the depressions j'. In order to facilitate the insertion of these lockingblocks in cases where the pile-lugs and ground-plate are in close proximity, l may insert'- a short block into the plate-depression, and continue the block upward to meet the flange by a second block made to rest on the Afirst one.

In' case it is desired or found necessary to locate the ground-plate at a distance below the lugs 0,1 use the angular block g', (shown in Fig. 5,) the horizontal arm of which is inserted and rests as above described, while its vertical arm extends upward to meet the lug of the pile. These blocks g may be cast with their vertical arms of various lengths, in order to meet the pile-lugs at the desired height from the ground-plate. By this construction and arrangement it will be observed that, the locking-blocks bearing and resting between the floor of the ground-plate and pile-lugs, a simple, safe, and secure lock is formed which will prevent any tendency ot' the pile from weight or vibration to work through the ground plate.

It will also be observed that the use of the above-described lock will greatly facilitate the locking of the parts when the pile is being ICO driven in thebed of a stream,l as the difficulty one or more projecting1ugs,0, of the groundheretofore experienced in connecting the parts plate D, having depressions f, andv locking- Io by driving Wedges, Snc., beneath the water is blocks g or g, substantially as and for the purobviated. pose specified.

5 Having now fully described my invention, STEPHEN G. HUTCHINSON.

what I claim, and desire to secure by Letters l Witnesses: Patent,is`

ALEXANDER H. JOHNSON, IRA KOEHNE.

'The combination, with the pile A, having 

